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authorDavid Schleef <ds@schleef.org>2007-03-16 23:30:02 +0000
committerDavid Schleef <ds@schleef.org>2007-03-16 23:30:02 +0000
commit6a073d97db2cf540e032ed76ffeee6f29329b789 (patch)
tree0d8c501828b596f39d324aeebaf60a82fcc22816 /m4
parentbc9ea6e634986bb2b4d76b231cc71eeaef2c88f9 (diff)
downloadliboil-6a073d97db2cf540e032ed76ffeee6f29329b789.tar.gz
* configure.ac:
Add -maltivec flag * m4/as-gcc-inline-assembly.m4: Require gcc-3.4 * m4/as-nano.m4: handle two-digit version numbers, like in 0.3.10
Diffstat (limited to 'm4')
-rw-r--r--m4/as-gcc-inline-assembly.m410
-rw-r--r--m4/as-nano.m44
2 files changed, 10 insertions, 4 deletions
diff --git a/m4/as-gcc-inline-assembly.m4 b/m4/as-gcc-inline-assembly.m4
index 8182f42..70cc7d0 100644
--- a/m4/as-gcc-inline-assembly.m4
+++ b/m4/as-gcc-inline-assembly.m4
@@ -4,7 +4,7 @@ dnl autostars m4 macro for detection of gcc inline assembly
dnl David Schleef <ds@schleef.org>
-dnl $Id: as-gcc-inline-assembly.m4,v 1.2 2005-12-04 18:51:55 ds Exp $
+dnl $Id: as-gcc-inline-assembly.m4,v 1.3 2007-03-16 23:30:02 ds Exp $
dnl AS_COMPILER_FLAG(ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
dnl Tries to compile with the given CFLAGS.
@@ -15,7 +15,13 @@ AC_DEFUN([AS_GCC_INLINE_ASSEMBLY],
[
AC_MSG_CHECKING([if compiler supports gcc-style inline assembly])
- AC_TRY_COMPILE([], [__asm__ (""::) ], [flag_ok=yes], [flag_ok=no])
+ AC_TRY_COMPILE([], [
+#ifdef __GNUC_MINOR__
+#if __GNUC_MAJOR__ * 1000 + __GNUC_MINOR__ < 3004
+#error GCC before 3.4 has critical bugs compiling inline assembly
+#endif
+#endif
+__asm__ (""::) ], [flag_ok=yes], [flag_ok=no])
if test "X$flag_ok" = Xyes ; then
$1
diff --git a/m4/as-nano.m4 b/m4/as-nano.m4
index ca09455..119666c 100644
--- a/m4/as-nano.m4
+++ b/m4/as-nano.m4
@@ -5,7 +5,7 @@ dnl autostars m4 macro for versioning (modified)
dnl Thomas Vander Stichele <thomas at apestaart dot org>
dnl David Schleef <ds@schleef.org>
-dnl $Id: as-nano.m4,v 1.1 2005-01-21 07:26:34 ds Exp $
+dnl $Id: as-nano.m4,v 1.2 2007-03-16 23:30:02 ds Exp $
dnl AS_VERSION(ACTION-IF-NO-NANO, [ACTION-IF-NANO])
@@ -13,7 +13,7 @@ AC_DEFUN([AS_NANO],
[
AC_MSG_CHECKING(nano version)
- NANO=$(echo AC_PACKAGE_VERSION | sed ['s/[0-9]\.[0-9]\.[0-9]\.*//'])
+ NANO=$(echo AC_PACKAGE_VERSION | sed ['s/[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.*//'])
AC_SUBST(NANO)
if test x"$NANO" = x || test "x$NANO" = "x0" ; then